Check this video of my site, created a demo account to show you: https://drive.google.com/file/d/1laaPL3VYpKuR8Nn0yPJcA-ZCvQqbJaql/view?usp=sharing Please answer the question as soon as possible to [email protected]
It seems, your site have some JS errors. Please check browser console and share if there is any JS errors in there.
btw same problem here on this site..that’s why i added the answer as comment
Have you disabled tinymce editor?